Current File : //proc/thread-self/root/proc/self/root/usr/include/boost/geometry/util/promote_floating_point.hpp
// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
// This file was modified by Oracle on 2020.
// Modifications copyright (c) 2020 Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_GEOMETRY_UTIL_PROMOTE_FLOATING_POINT_HPP
#define BOOST_GEOMETRY_UTIL_PROMOTE_FLOATING_POINT_HPP
#include <type_traits>
namespace boost { namespace geometry
{
/*!
\brief Meta-function converting, if necessary, to "a floating point" type
\details
- if input type is integer, type is double
- else type is input type
\ingroup utility
*/
template <typename T, typename PromoteIntegerTo = double>
struct promote_floating_point
{
typedef std::conditional_t
<
std::is_integral<T>::value,
PromoteIntegerTo,
T
> type;
};
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_UTIL_PROMOTE_FLOATING_POINT_HPP
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